Sedlec Ossuary

Chapel interior

Zimbabwean banknotes ranging from 10 dollars to 100 billion dollars printed within a one-year period. The magnitude of the currency scalars signifies the extent of the hyperinflation.

A mangle being used in a domestic science course during World War II

01Caesar's inner wall (contravallation) was 11 miles; his outer wall (circumvallation) was 14 miles — both built in under six weeks.
02The relief army of roughly 250,000 Gauls attacked both walls at once; Caesar personally rode to plug a breach, his red cloak used as a field signal.
03When the relief army failed, Vercingetorix surrendered 80,000 starving survivors — and the 20,000 Mandubii civilians Caesar had refused to feed died in the gap between the walls.

A woodcarver named František Rint arranged 40,000 human bones into chandeliers, coats of arms, and garlands inside a Czech church — a medieval memento mori that still holds Sunday mass.

William Stewart Halsted

Halsted invented modern surgical residency, the mastectomy, and rubber gloves while injecting cocaine daily — then morphine to cure the cocaine. Johns Hopkins never knew. Did his addiction sharpen him, or did he succeed despite it?

Hyperinflation in Zimbabwe

Zimbabwe's central bank printed a one-hundred-trillion-dollar note in January 2009 — worth roughly $0.40 at issue. Three months later the currency was abandoned entirely. The note now sells for $20 on eBay.

Topsy (elephant)

Coney Island's Topsy, a circus elephant who had killed three men, was electrocuted before 1,500 paying spectators on January 4, 1903. Thomas Edison's company filmed it. The footage survives.

Dynamite

Alfred Nobel read his own obituary—'merchant of death'—while still alive, then spent his fortune engineering the Peace Prize to rewrite his legacy. The man who perfected mass killing also endowed its antidote.

Mangle (machine)

Two steel rollers squeezed laundry dry — and de-gloved hands at the wrist without stopping. Hospitals tracked the injuries by decade. The machine outlasted every safety campaign aimed at it.

Fred Korematsu

Fred Korematsu had plastic surgery on his nose and changed his name to Clyde Sarah to pass as Spanish-Hawaiian. A coworker turned him in anyway. The Supreme Court upheld his 1942 conviction 6–3.

Stephen A. Schwarzman

Steve Schwarzman spent $3 million on his 60th birthday party — a Rod Stewart performance, a portrait of himself unveiled mid-room — then wrote a memoir advising readers to 'never do anything small.' The portrait still hangs at Blackstone.

Battle of Alesia

Caesar built two concentric walls totaling 25 miles — one facing inward to trap 80,000 men, one facing outward against 250,000 relieving warriors. He was the besieged and the besieger simultaneously.